Husqvarna 531300081 3/8-Inch Saw Chain Filing Kit For Models 55 Rancher, 257, 261, 362XP, 357XP, 359, 365, 372XP, 385XP, 395XP, 3120XP, 455 Rancher, 570 and 575XP Everything you need to file your chain Includes file handle, combination filing gauge, 2 round files, and 1 flat file for depth gauges The combination gauge helps ensure the correct filing angle and simplifies the filing process